
Radeon HD 7770 and Radeon X550 HyperMemory - video card comparison
Radeon HD 7770
Radeon X550 HyperMemory
Architecture
GCN (2011−2017)
Rage 9 (2003−2008)
GPU code name
Cape Verde
RV370
Market segment
Desktop
Desktop
Release date
February 2012
July 2005
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
1000 MHz
400 MHz
Manufacturing process technology
28 nm
110 nm
Number of transistors
1,500 million
107 million
Pipelines / CUDA cores
640
-
Power consumption (TDP)
80 Watt
-
Texture fill rate
40.00
1.600
Memory type
GDDR5
DDR2
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
500 MHz
Memory bandwidth
72 GB/s
8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x VGA, 1x S-Video
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
9.0
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
1.2.131
N/A